Contraction Stress Test

Aka: Contraction Stress Test, Oxytocin Challenge Test

advertisement

II. Cost: $250

III. Technique

  1. Oxytocin (Pitocin)
    1. Start: 0.5 to 1.0 mU per minute
    2. Titrate: increase 1 mU every 20 minutes
    3. Goal: 3 Contractions every 10 minutes
  2. Nipple Stimulation

IV. Contraindications

  1. Absolute
    1. Placenta Previa
    2. Preterm Prolonged Rupture of Membranes (PPROM)
    3. Cerclage
    4. Incompetent Cervix
  2. Relative
    1. Multiple Gestation
    2. History of classic Cesarean Section

V. Interpretation

  1. Negative (Normal)
    1. Adequate contractions:
      1. Three contractions in 10 minutes
      2. Each contraction lasts 40 seconds
    2. No Late Decelerations
  2. Positive
    1. Repetitive, persistent Late Decelerations
    2. Decelerations with more than half of contractions
    3. Not due to uterine hyperstimulation

VI. Management

  1. Negative Contraction Stress Test
    1. Reassuring for fetal well being for 7 days
    2. Follow daily Fetal Kick Counts
  2. Positive Contraction Stress Test
    1. Hasten fetal delivery

Images: Related links to external sites (from Bing)

These images are a random sampling from a Bing search on the term "Contraction Stress Test." Click on the image (or right click) to open the source website in a new browser window. Search Bing for all related images

Related Studies

Ontology: Contraction stress test (C0200068)

Definition (NCI) A test done to check for the fetal well being after administering oxytocin or nipple stimulus to induce uterine contractions in the mother. An external fetal heart rate monitor is used to assess the fetal heart rate in response to the uterine contractions.
Concepts Diagnostic Procedure (T060)
SnomedCT 60473002, 391899004
English CST - Contraction stress test, pregnancy contraction stress test (lab test), pregnancy contraction stress test, contraction stress test, contractions stress test, contraction stress testing, Uterine Contraction Stress Test, Contraction Stress Test, Contraction stress test, Contraction stress test (regime/therapy), Contraction stress test (procedure)
Spanish prueba de esfuerzo de contracción (procedimiento), prueba de esfuerzo de contracción (régimen/tratamiento), prueba de esfuerzo de contracción
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Fetal Disorders

advertisement

2020 Family Practice Notebook, LLC. Terms | Privacy (EHS) | About | Site Map | Blog

Footer Site Logo